MLA
Sherman, Ron. Dick Gregory Food Fast Event. 1975. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 57. https://digital.library.emory.edu/purl/040xpnvxhh-cor.
APA, 6th edition
Sherman, R. (1975). Dick Gregory Food Fast event (Box 3, Folder 57) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvxhh-cor.
Chicago
Sherman, Ron. “Dick Gregory Food Fast Event.” Black-and-white photographs. Ron Sherman Photographs Collection, 1975. Box 3, Folder 57. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvxhh-cor.